The Power of AI in Understanding and designing Microbiomes: A Conversation with Dr. Hero

Unraveling the intricacies of microbiomes and their dynamics is a central challenge in harnessing their potential benefits. Dr. Hero joins us in this episode to discuss the application of a Long Short-Term Memory (LSTM) framework to predict community assembly and metabolite production in a synthetic human gut community. Standard differential equation-based models have been unsuccessful in capturing complex microbial behaviors that don't conform to preset ecological theories. These models also fall short when dealing with increasing community complexity and multiple functions. Dr. Hero and his team are paving a new way with LSTM, a primary tool in deep learning that learns a high-dimensional, data-driven, non-linear dynamical system model. This model is then used to design communities with specific metabolite profiles.Dr. Hero will share insights on how the LSTM model outperforms the widely utilized generalized Lotka-Volterra model and how the 'black-box' nature of the model can be deciphered to understand microbe-microbe and microbe-metabolite interactions. These findings point to the crucial role of Actinobacteria, Firmicutes, and Proteobacteria in metabolite production, while Bacteroides shape community dynamics.In this episode, we will delve into how the LSTM model can navigate a vast multidimensional functional landscape to identify communities with unique, health-relevant metabolite profiles and temporal behaviors. Join us as we discuss how LSTM models can guide the design of synthetic microbiomes with targeted, dynamic functions and aid experimental planning.Keywords: Dr. Hero, LSTM, Microbiomes, Community Assembly, Metabolite Production, Synthetic Human Gut Community, Deep Learning, Microbial Interactions, Actinobacteria, Firmicutes, Proteobacteria, Bacteroides, Generalized Lotka-Volterra Model, Synthetic Microbiomes, Experimental Planning.Deep Learning Enables Design of Multifunctional Synthetic Human Gut Microbiome Dynamics Alfred O. Hero, et al. doi: https://doi.org/10.1101/2021.09.27.461983